Japan's Nikkei Stock Average extended loss on Thursday on persisting Europe fears. Stronger Yen depressed export shares. Benchmark Nikkei 225 finished 1.05% or 90.46 points down at 8,542.73. On monthly basis the index has depreciated 10.3%, the biggest drop since May 2010. Kansai Electric one of Japan's leading electricity provider, added 3.2% on news that government may support the restart of firm's nuclear reactors next week. Hitachi Construction Machinery tumbled 2% as data showed country's industrial output expanded less than predicted.